3855237 has 16 divisors (see below), whose sum is σ = 5460480. Its totient is φ = 2414192.

The previous prime is 3855223. The next prime is 3855239. The reversal of 3855237 is 7325583.

It is a cyclic number.

It is not a de Polignac number, because 3855237 - 2¹⁴ = 3838853 is a prime.

3855237 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3855198 and 3855207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3598 + ... + 4544.

It is an arithmetic number, because the mean of its divisors is an integer number (341280).

Almost surely, 2^3855237 is an apocalyptic number.

It is an amenable number.

3855237 is a deficient number, since it is larger than the sum of its proper divisors (1605243).

3855237 is a wasteful number, since it uses less digits than its factorization.

3855237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032.

The product of its digits is 25200, while the sum is 33.

The square root of 3855237 is about 1963.4757446936. The cubic root of 3855237 is about 156.8015532654.

The spelling of 3855237 in words is "three million, eight hundred fifty-five thousand, two hundred thirty-seven".